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Draining suburban rv water heater.
Water will start to run out.
Usually this plug is plastic.
This water heater cleaning method has been updated with important changes.
Use an adjustable wrench to loosen the drain plug at the bottom of the water heater.
Use the rv s freshwater hose to make the connection.
Suburban water heater bypass valve function.
At the very bottom of this blog i am going to show you a video of how to drain your water heater.
Check the freshwater tank to be sure it is full.
Filling an rv water heater connect the rv water supply to a land based water hookup such as an outdoor hose connection to your home.
Learn more about winterizing and the bypass valve function in video 3 of the water heater maintenance series 01.
On suburban brand water heaters the plug is also an anodized rod.
Suburban manufacturing pioneered space saving horizontally vented gas heating systems water heaters solid state spark ignition systems and efficient dc furnace motors since becoming a supplier to the rv industry in the late 1960s.
Wrap only 2 3 of the threads leave the front 1 3 bare.
Below is a picture of a water heater from the outside with the cover off.
Open the pressure valve on the top of the water heater.
You would normally use the bypass system when winterizing your rv or travel trailer.
A full wrapping of the anode with teflon tape will insulate the anode from the water heater therefore the anode can not due it s job.
Check out the picture below to see the water heater that we removed out of the rv that we had to fix.